ACTA AERONAUTICAET ASTRONAUTICA SINICA >
Research of energy equalization technology for aircraft battery
Received date: 2016-08-08
Revised date: 2016-11-22
Online published: 2016-11-24
Supported by
National Natural Science Foundation of China (61371041);Fund of National Engineering and Research Center for Commercial Aircraft Manufacturing (SAMC14-JS-15-051);Aeronautical Science Foundation of China (2013ZD52055);the Foundation of Graduate Innovation Center in NUAA (kfjj20150314)
The inconsistency will gradually appear between monomer batteries of aircraft battery, which will reduce performance and service life of the battery, and even lead to security incidents. This paper presents a structure of active balancing for aircraft battery equalization system. A bidirectional energy transfer balanced topology is proposed based on Cúk converter, and a balancing control strategy for both top and bottom balancing is designed. An energy equalization system for aircraft Ni-Cd battery is developed. Experiments are conducted to analyze the energy equalization of Ni-Cd battery series battery. Experimental results show that the proposed energy equalizer has the characteristics of high speed, random choice of balanced single battery, and bi-directional transformation of energy. The equalizer can reduce the inconsistencies in the battery monomer, and improve the capacity utilization ratio and service life of the battery pack.
WANG Youren , LIANG Jiayi , HUANG Xue , GENG Xing , CHEN Zewang . Research of energy equalization technology for aircraft battery[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2017 , 38(5) : 320665 -320665 . DOI: 10.7527/S1000-6893.2016.0307
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